Hey guys, does this other history question look right?

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

What was one major difference between benito mussolini and adolph hitler? o a. hitler was more willing to use violence to secure power than mussolini. o b. hitler made racism central to his political ideology earlier than mussolini. o c. hitler was more supportive of communism and socialism than mussolini. o d. hitler followed the philosophy of militarism more strictly than mussolini.

During the eisenhower administration, the u.s. began to take an active military role supporting the government of o o a. south africa o b. burma (myanmar) o oc. finland od. south vietnam